A.changing filter elements would not interrupt engine operation
B.filtering occurs twice in each pass of oil through the system
C.clogging will not occur
D.dropping pressure is half of that through a single filter unit
[单选题]For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because ().A . changing filter elements would not interrupt engine operationB . filtering occurs twice in each pass of oil through the systemC . clogging wil
[单选题]While engine is in operation the piston moves up and down, thus causing the rotation of the ().A . crankcaseB . slipperC . cam housingD . crankshaft
[单选题]_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonlyB.Among / the most commonlyC.Between / not more commonlyD.Among / not the most commonly
[单选题]The heart of the diesel engine is the () where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto
[单选题]The diesel engine is a type of ().A . turbine engineB . gas turbineC . steam engineD . internal combustion engine
[单选题]The successful operation of any engine or machine and () depend on effective lubrication.A . their no trouble periodB . their freely trouble periodC . its free trouble lifeD . its trouble-free life
[单选题]In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?A.Noise coming from that air starting valveB.Continuous operation of the starting air compressorC.Zero air pressure in the air starting
[单选题]D.iesel engine blow-by is the leakage of combustion gases past the( ).A.oil rings onlyB.compression and scraper ringsC.cylinder liner sealingD.cylinder liner ring grooves
[单选题]A diesel engine is similar to a gasoline engine except that the former has no ().A . cross-headB . cylinderC . connecting rodD . spark plug
[单选题]() the engines, the diesel engine is() used engine on board.A . Between;more commonlyB . Among;the most commonlyC . Between;not more commonlyD . Among;not the most commonly